Perhaps you should try some spelling variations:
novel preprocessing » novel processing (Expand search), noise preprocessing (Expand search), the preprocessing (Expand search)
decrease faster » decrease after (Expand search), decrease further (Expand search), decreased after (Expand search)
faster decrease » rate decrease (Expand search)
disease novel » disease over (Expand search), disease level (Expand search), disease new (Expand search)
decrease risk » decreased risk (Expand search), increase risk (Expand search), decrease in (Expand search)
risk decrease » risk decreases (Expand search), risk increase (Expand search), break decrease (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease OR disease novel preprocessing ) OR ( decrease faster decrease risk decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease OR disease novel preprocessing ) OR ( decrease faster decrease risk decrease ))*.